Question: What nationality Go Seigen has since 1914-6-12?
Paraphrase: What nationality has Go Seigen had since 1914-6-12?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q541005 p:P27 ?s . ?s ps:P27 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1914')) }